An implementation of the Creative Commons metadata standards for saving
and retrieving information about media files. This includes the license they
are under, where to get more information, and how to obtain further
permissions.

/usr/share/doc/liblicense-dev/README

liblicense - 0.6
http://wiki.creativecommons.org/Liblicense
A library for managing license metadata. It recognizes all Creative
Commons licenses, Public Domain, GPL, and LGPL.
The library will produce licensing information based on the
specifications of calling libraries and programs. In addition to
generating text for specific licenses, it will also allow an application
to enumerate which li
more»